Friday June 4
8 a.m. - It's Science Fair Day at Skyline Elementary School. Kyron Horman, 7, and his step-mom arrive at school.
8:45 a.m. - Kyron says goodbye to his step-mom in the hallway and goes toward his classroom. He is last seen near his classroom, near the south entrance to school.
9:00 a.m. - Investigators say this was the last time Kyron was reportedly seen but they do not identify who saw him last.
3:45 p.m. - Kyron doesn't get off the school bus. A call to the school reveals that Kyron's teacher has marked him "absent." Kyron is reported missing to 9-1-1. The Portland school district sends out an automated message to parents in the district that "a student is missing." An intensive search begins on the ground and in the air. Multiple agencies are involved.
Saturday, June 5
The search continues through the night and through the weekend. A tip line is set up: 503-261-2847.
Sunday, June 6
Parents of other children at the school are interviewed at the school on a staggered basis in hopes of developing new clues that could lead investigators to the missing boy.
Monday , June 7
Skyline Elementary reopens with new security measures in place. Investigators continue to search for Kyron Horman.
Tuesday, June 8
Investigators continue to search at multiple locations and to follow up on more than 1,200 tips. Police ask for more tips from the public and the public's help in spreading photos of the missing boy. An FBI mobile command center is brought to Oregon.
Wednesday, June 9
The family of Kyron Horman releases a statement through investigators talking of their "sadness and pain", and asking for the public's help in finding Kyron. Donation centers open to receive supplies to support the searchers. Investigators announce plans to deploy statewide search and rescue teams by Thursday morning.
Thursday, June 10
The search effort grows to nearly 150 as help arrives from across Oregon. At a pair of news conferences, investigators do not announce any new developments in the search for Kyron Harmon, but repeat their plea for additional tips from the public at 503-261-2847.
Friday, June 11
More than 200 searchers are now involved. At noon, police display replicas of the clothing Kyron was wearing when he was last seen. At 1 p.m., Kyron's father and stepfather speak publicly to the media for the first time since Kyron's disappearance, pleading for help in bringing Kyron home safely.
Saturday, June 12
Police ask for the public to submit photos or videos taken on June 3 or June 4 on roads in the vicinity of Skyline Elementary School. Police also read a series of answers from the family of Kyron Horman, answering public questions about the missing boy and the family's conduct during the investigation.
Sunday, June 13
Investigators announce that the Kyron Horman case is now a criminal investigation. They also announce that the search for Horman will be scaled back significantly, with most volunteer searchers sent home.
Monday, June 14
At an 11 a.m. media briefing. Capt. Jason Gates vows that investigators will not allow the search for Kyron to become a cold case. Watch Gates video
Searchers look in the area around Sauvie Island for the fourth consecutive day. KGW's Sky 8 helicopter captures video of divers in waist-deep water in the rural area of NW Portland. Video: Sky 8
Tuesday, June 15
A day that's usually a celebration is somber instead as Skyline Elementary's school year ends with no sign of Kyron Horman. Students and staff receive an uplifting visit from Blazers Coach Nate McMillan and star guard Brandon Roy. Video: Blazers bring smiles to Skyline students
Clear Channel Communications donates 30 billboard in the Portland area in English, Russian and Spanish seeking tips. Ad company donates billboards.
Wednesday, June 16
'People' magazine puts Kyron Horman on its cover. The story is picked up by CNN via its Nancy Grace crime show. 'America's Most Wanted' announces it will feature the case on its upcoming weekend show. People features Kyron Horman on its cover
Friday, June 18
Police issue a questionnaire to the staff and parents of Skyline school that includes specific questions about whether they saw Terri Moulton Horman, the step-mother, on the day he vanished, as well as the white family pickup. Capt. Jason Gates said the family supported that effort and he declined to say whether the step-mom was a suspect or person of interest in the case. Read/print out questionnaire
Friday, June 25
Kyron Horman's mom and dad, in an interview with KGW-TV, answers why investigators focused on Sauvie Island, but refuse to answer questions about step-mom Terri Moulton Horman. They say they will be the only ones speaking for the family. More: Interview with Horman's parents
Saturday, June 26
Calls placed from Horman residence on NW Sheltered Nook Road. Calls involved a "threat" and officers responded in person.
Sunday, June 27
For the second week in a row, Kyron Horman is featured on the cover of People magazine. This time, the magazine focuses on Kyron's step-mom's dad, who says she has been a focus of the investigation and has been interviewed several times by police, once for up to six hours. More: Stepmom's dad in People
Monday, June 28
Kaine Horman files for divorce from Terri Moulton Horman while also issuing a restraining order against her. Kaine Horman, Desiree Young and Tony Young issue a statement stating support for the investigation so far. Missing in that statement is Terri Moulton Horman's name. Kyron Horman's father files for divorce
Thursday, July 1
A reliable source told KGW Thursday that Terri Horman, Kyron's step-mother, has lied to investigators and was uncooperative. This came on the same day that the boy's family pleaded with her to cooperate with investigators.
Sunday, July 4
Details of a murder-for-hire plot emerge. A source tells KGW that investigators told Kaine Horman that Terri Horman tried to hire a landscaper to kill him. Kaine took his young daughter and moved out of his house, then filed divorce papers and a restraining order against Terri, shortly after being informed of the plot. Murder for hire plot revealed
Monday, July 5
Kyron's parents, Kaine and Desiree, release a statement in which they accuse Terri of not fully cooperating with the investigation. They refused to comment on the murder for hire plot but said they'd both taken lie detector tests and called on Terri to cooperate fully with the investigation. Family statement, 7/5
Thursday, July 8
A judge unseals the restraining order granted on behalf of Kaine Horman against Terri Horman. The document reveals that police provided Kaine Horman with probable cause to believe that his wife Terri Moulton-Horman was involved in 7-year-old Kyron's disappearance and a murder-for-hire attempt against him. Restraining Order
Also on Thursday, Kaine Horman filed an ammended request that Terri Horman be forced to move out of their Northwest Portland home and not return. A hearing on that request was scheduled for July 22.
Saturday July 10
KGW learns from a reliable source that investigators believe at least one other person in addition to Terri Horman has knowledge about the disappearance of Kyron Horman.
Monday, July 11
Kaine Horman files a court motion to have Terri Moulton-Horman found in contempt of court for violating the terms of the restraining order. The filing specifically claims she showed the sealed order to Michael Cook, and that Cook photographed Kaine's address and searched the address on his phone. The documents also stated that Terri Horman and Cook had exchanged hundreds of texts, had been "sexting" and Terri Horman had sent sexually explicit photos to Cook. Cook admitted to KGW that he photographed the restraining order and had an inappropriate relationship with Terri but denied having sex with her. Docs reveal sexting
Tuesday July 12
In an interview with NBC's Dateline, Kyron's mom Desiree says she realizes there were "warning signs" that Kyron was not happy in the household with Terri and Kaine Horman. Her husband Tony Young stated they believed Terri Horman was "without a doubt" respondible for Kyron's disappearance. Interview: 'Warning signs'
Saturday, July 17
Kaine Horman and his daughter Kiara move back into the family home in NW Portland. Terri Horman relocates to her parents' home in Roseburg. Moving back into home
Thursday, July 22
Multnomah county Sheriff Dan Staton tables a request for an additional $242,000 for the investigation, saying the request may be resubmitted again in October. Sheriff tables Kyron funding request
KGW learns Investigators have searched three homes of friends of Terri Horman in the past week in relation to the case. Homes searched
Sources tell KGW that Terri Horman's friend Dede Spicher was in the area of Kyron's home, and unaccounted for during the middle of the day, on June 4 when Kyron disappeared. Dede Spicher in communication with Terri
Friday, July 23
Multnomah County deputies say they are making 'significant progress' in the case.
Saturday, July 24
Investigators identify gaps in where Terri Horman was on the day Kyron disappeared.
Sunday, July 25
Sources tell KGW investigators have 'probable cause' to arrest Terri Horman.
Monday, July 26
Kaine Horman files an affidavit in court seeking to find out where Terri Horman got $350,000 to pay her attorney.
DeDe Spicher, a close friend of Terri Horman's, appears before a grand jury in the Kyron Horman investigation.
NBC's Dateline devotes its program to the Kyron Horman case. In the program, Desiree says Terri Horman had an affair with Kaine while Desiree was pregnant with Kyron, and caused the break-up of Desiree's marriage.
Tuesday, July 27
investigators announce that the reward for information leading to Kyron Horman has doubled from $25,000 to $50,000. The money is from an anonymous donor. At an afternoon press conference, Kyron's mom Desiree makes an emotional plea directly to Kyron to "not give up hope". Reward increased, mom's tearful plea
Week of Aug. 2-6
It's a busy week before a grand jury. On August 2, Kaine Horman appears before the grand jury. Later in the week, several friends of DeDe Spicher are called in front of the grand jury. KGW also learned that at least three friends of Terri Horman purchased
On Friday, Aug. 6 the principal of Skyline Elementary appears before the grand jury. Proceedings are secret so no details are available about the testimony given.
Sunday, August 8
Investigators search the home where DeDe Spicher was reportedly gardening on the day that Kyron Horman disappeared.
Monday, August 9
Sources tell KGW that investigators have been told a second person was seen in the Horman family's white pickup truck the day Kyron disappeared.
Tuesday August 10
KGW learned fom sources that Terri Horman's close friend, DeDe Spicher, was missing the morning Kyron disappeared for much longer than earlier believed. Updated information from sources indicated Spicher was absent from 10 a.m. to 1 p.m. on June 4, after having been gardening at a home in the Skyline area.
Wednesday August 11
Investigators held a morning press conference where they asked for the public's help providing details about several possible sightings of the Horman family truck, including two different locations around the school as well as at two west side Fred Meyer stores. Investigators released photos and asked for public tips.
Monday, August 16
Kaine Horman, in an exclusive interview with KGW, says that the "Wall of Hope" will be moved from Skyline Elementary school before the start of fall classes to insure that strangers aren't on school property once students return. Wall of Hope moving
Tuesday August 17
DeDe Spicher tells People magazine that neither she nor Terri Moulton-Horman has anything to hide, and that investigators have targeted them unfairly. People interview
Friday, August 20
After weeks of meetings, the grand jury in the Kyron Horman investigation is quiet - at least for the time being. Grand jury quiet - for now
Fundraiser for Kyron nets $14,000. Fundraiser
Family, supporters honor Kyron's 8th birthday. Birthday events